Question 10Quadrilateral $ABCD$ is a parallelogram, and $E$ is the midpoint of the side $\overline{AD}.$ Let $F$ be the intersection of lines $EB$ and $AC.$ What is the ratio of the area of quadrilateral $CDEF$ to the area of triangle $CFB?$$5 : 4$$4 : 3$$3 : 2$$5 : 3$$2 : 1$